Redarc Technologies Pty Ltd

Australia

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IPC Class
B60T 7/20 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger specially adapted for trailers, e.g. in case of uncoupling of trailer 8
B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems 6
H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle 5
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems 4
B60T 8/17 - Using electrical or electronic regulation means to control braking 4
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Status
Pending 8
Registered / In Force 28
Found results for  patents

1.

Assembled electronics housing

      
Application Number 29828375
Grant Number D1077800
Status In Force
Filing Date 2022-02-25
First Publication Date 2025-06-03
Grant Date 2025-06-03
Owner Redarc Technologies Pty Ltd. (Australia)
Inventor
  • Albrechtsen, James Christian
  • Brady, Seth Michael

2.

Portable power system

      
Application Number 29763612
Grant Number D1073592
Status In Force
Filing Date 2020-12-23
First Publication Date 2025-05-06
Grant Date 2025-05-06
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor Pinkard, Dylan Llewellyn

3.

Housing for a power distribution module

      
Application Number 29865681
Grant Number D1056851
Status In Force
Filing Date 2022-08-08
First Publication Date 2025-01-07
Grant Date 2025-01-07
Owner Redarc Technologies Pty Ltd. (Australia)
Inventor
  • Bryce, Alec
  • Geci, Mitchell
  • Atkins, Albert

4.

A SYSTEM FOR A TOW VEHICLE-TRAILER COMBINATION

      
Application Number AU2024050538
Publication Number 2024/243616
Status In Force
Filing Date 2024-05-24
Publication Date 2024-12-05
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Britt, James, Terence, Krpez
  • Fosdike, Timothy, David

Abstract

The present invention relates to a system for a tow vehicle-trailer combination, and a tow ball comprising such a system. The system comprising a sensor arrangement for measuring forces acting on a tow coupling and a computing device for processing data received from the sensor arrangement to determine at least one property of the tow vehicle-trailer combination and transmit at least one control signal to a trailer brake controller to control brakes of the trailer and/or transmit a message to a driver of a tow vehicle.

IPC Classes  ?

  • B60T 7/20 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger specially adapted for trailers, e.g. in case of uncoupling of trailer
  • B60D 1/24 - Traction couplingsHitchesDraw-gearTowing devices characterised by arrangements for particular functions
  • B60D 1/30 - Traction couplingsHitchesDraw-gearTowing devices characterised by arrangements for particular functions for sway control
  • B60D 1/62 - Auxiliary devices involving supply lines, electric circuits, or the like
  • B60T 8/17 - Using electrical or electronic regulation means to control braking
  • B60T 8/18 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution
  • B60T 8/24 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle inclination or change of direction, e.g. negotiating bends
  • B60T 8/32 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
  • B60W 40/114 - Yaw movement
  • B60W 50/14 - Means for informing the driver, warning the driver or prompting a driver intervention

5.

ELECTRONICS HOUSING ASSEMBLY

      
Application Number 18685361
Status Pending
Filing Date 2022-08-05
First Publication Date 2024-11-28
Owner Redarc Technologies Pty Ltd (Australia)
Inventor
  • Cosgriff, Peter William
  • Brady, Seth Michael

Abstract

A housing assembly for electronics, the assembly including a rigid base member for mounting at least one printed circuit board thereto, a rigid outer shell, and a flexible inner sealing membrane, the base member and the outer shell together forming an enclosure for the at least one printed circuit board. The flexible membrane includes a sealing portion about its periphery for compression between the base member and the outer shell to seal the enclosure, and also includes a plurality of inwardly projecting, elastically deformable abutments configured to compress against the at least one printed circuit board to provide vibration resistance.

IPC Classes  ?

  • H05K 5/00 - Casings, cabinets or drawers for electric apparatus
  • H05K 5/06 - Hermetically-sealed casings
  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

6.

BRAKE CONTROLLER MOUNTED TO A TOWING VEHICLE

      
Application Number 18767200
Status Pending
Filing Date 2024-07-09
First Publication Date 2024-10-31
Owner Redarc Technologies Pty Ltd. (Australia)
Inventor
  • Fosdike, Timothy
  • Kuchel, Nathan
  • Wang, Jerry

Abstract

The present invention relates to a brake controller for a towed vehicle braking system, including a housing or a loom, including an input connector for electrical connection to a towing vehicle and an output connector for electrical connection to a towed vehicle.

IPC Classes  ?

  • B60T 8/58 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration responsive to speed and another condition or to plural speed conditions
  • B60Q 1/34 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
  • B60Q 1/44 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action
  • B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
  • B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
  • B60T 7/20 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger specially adapted for trailers, e.g. in case of uncoupling of trailer
  • B60T 8/88 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
  • B60T 8/92 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means automatically taking corrective action
  • H01R 31/06 - Intermediate parts for linking two coupling parts, e.g. adapter

7.

Assembled electronics housing

      
Application Number 29828407
Grant Number D1044799
Status In Force
Filing Date 2022-02-25
First Publication Date 2024-10-01
Grant Date 2024-10-01
Owner Redarc Technologies Pty Ltd. (Australia)
Inventor
  • Albrechtsen, James Christian
  • Brady, Seth Michael

8.

PORTABLE POWER SYSTEM DOCKING ASSEMBLY

      
Application Number 18011375
Status Pending
Filing Date 2021-06-25
First Publication Date 2023-07-27
Owner Redarc Technologies Pty Ltd (Australia)
Inventor
  • Pinkard, Dylan Llewellyn
  • Albrechtsen, James

Abstract

A portable power system assembly that includes a portable power system (PPS) and a dock. The dock is mountable to a vehicle and includes a PPS holding tray and an actuator arm, with the actuator arm capable of being pivoted from a first position to a second position, the holding tray including a PPS receiving station and a PPS securing station, and the securing station including electrical supply terminals. The PPS includes a housing with opposing ends, there being mating electrical terminals at one end and at least one abutment region at the other end for engagement with the actuator arm. The actuator arm engages with the abutment region of a PPS in the receiving station to move, during pivoting of the actuator arm from its first position to its second position, the PPS from the receiving station to the securing station for mating electrical engagement of the PPS and dock electrical terminals, and, in its second position, the actuator arm engages with the PPS in the securing station to releasably lock the PPS in the securing station.

IPC Classes  ?

  • B60L 53/80 - Exchanging energy storage elements, e.g. removable batteries
  • H01R 13/629 - Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure
  • H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains

9.

Method of estimating blood pressure of a subject

      
Application Number 17927221
Grant Number 12201408
Status In Force
Filing Date 2021-06-09
First Publication Date 2023-07-13
Grant Date 2025-01-21
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Sekhar, Sitansu
  • Wallace, Angus

Abstract

The present invention relates to a method and system for estimating blood pressure of a subject. In particular, but not exclusively, the method involves receiving a photoplethysmogram (PPG) signal from a light-based Pulse-Plethysmography sensor applied to the skin of a subject and reconstructing a pulse blood pressure waveform between systolic and diastolic blood pressure of the subject. Additionally, but not exclusively, the method involves processing the pulse blood pressure waveform and reconstructing an absolute blood pressure waveform of the subject.

IPC Classes  ?

  • A61B 5/021 - Measuring pressure in heart or blood vessels
  • A61B 5/00 - Measuring for diagnostic purposes Identification of persons
  • A61B 5/024 - Measuring pulse rate or heart rate

10.

ELECTRONICS HOUSING ASSEMBLY

      
Document Number 03227606
Status Pending
Filing Date 2022-08-05
Open to Public Date 2023-03-02
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Cosgriff, Peter William
  • Brady, Seth Michael

Abstract

A housing assembly for electronics, the assembly including a rigid base member for mounting at least one printed circuit board thereto, a rigid outer shell, and a flexible inner sealing membrane, the base member and the outer shell together forming an enclosure for the at least one printed circuit board. The flexible membrane includes a sealing portion about its periphery for compression between the base member and the outer shell to seal the enclosure, and also includes a plurality of inwardly projecting, elastically deformable abutments configured to compress against the at least one printed circuit board to provide vibration resistance.

IPC Classes  ?

  • B29C 43/18 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
  • B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
  • G01M 3/02 - Investigating fluid tightness of structures by using fluid or vacuum
  • H05K 5/06 - Hermetically-sealed casings
  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

11.

MODULAR AND STACKABLE ELECTRONICS HOUSING

      
Application Number AU2022050849
Publication Number 2023/023699
Status In Force
Filing Date 2022-08-05
Publication Date 2023-03-02
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor Albrechtsen, James Christian

Abstract

A modular and stackable electronics housing including a base module and at least one interconnected stackable module thereabove, the base module and each stackable module being open upwardly and including a floor with upright integral side walls, each floor being capable of receiving and having mounted thereto a printed circuit board. The base and stackable modules each have corner edges between their floors and their side walls, with each side wall having an upper free edge and exterior heat sink fins. The free edges of the side walls each have outwardly projecting connecting flanges therealong and each stackable module also has, along its corner edges, outwardly projecting but inwardly opening flange receiving grooves for receiving and interlocking with the connecting flanges of either a base module below or another stackable module below.

IPC Classes  ?

  • H05K 5/00 - Casings, cabinets or drawers for electric apparatus
  • H05K 5/02 - Casings, cabinets or drawers for electric apparatus Details
  • H05K 7/14 - Mounting supporting structure in casing or on frame or rack
  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
  • F21S 45/47 - Passive cooling, e.g. using fins, thermal conductive elements or openings
  • H01L 23/24 - Fillings characterised by the material, its physical or chemical properties, or its arrangement within the complete device solid or gel, at the normal operating temperature of the device
  • H05K 1/14 - Structural association of two or more printed circuits

12.

ELECTRONICS HOUSING ASSEMBLY

      
Application Number AU2022050850
Publication Number 2023/023700
Status In Force
Filing Date 2022-08-05
Publication Date 2023-03-02
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Cosgriff, Peter William
  • Brady, Seth Michael

Abstract

A housing assembly for electronics, the assembly including a rigid base member for mounting at least one printed circuit board thereto, a rigid outer shell, and a flexible inner sealing membrane, the base member and the outer shell together forming an enclosure for the at least one printed circuit board. The flexible membrane includes a sealing portion about its periphery for compression between the base member and the outer shell to seal the enclosure, and also includes a plurality of inwardly projecting, elastically deformable abutments configured to compress against the at least one printed circuit board to provide vibration resistance.

IPC Classes  ?

  • G01M 3/02 - Investigating fluid tightness of structures by using fluid or vacuum
  • B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
  • H02B 1/04 - Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
  • H02B 1/28 - CasingsParts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
  • H02B 1/46 - BoxesParts thereof or accessories therefor
  • H05K 5/00 - Casings, cabinets or drawers for electric apparatus
  • H05K 5/06 - Hermetically-sealed casings
  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
  • B29C 43/18 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles

13.

DUAL−DIRECTION TERMINAL BLOCK

      
Application Number AU2022050848
Publication Number 2023/023698
Status In Force
Filing Date 2022-08-05
Publication Date 2023-03-02
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Albrechtsen, James Christian
  • Cosgriff, Peter William

Abstract

A dual-direction terminal block, the terminal block including an insulating terminal mount with at least one conducting terminal mounted therein for electrical connection of an electrical cable to a circuit such as a printed circuit board, wherein each terminal includes a block-shaped body with at least a front and a top, the front having a first terminal lug fastening aperture therein and the top having a second terminal lug fastening aperture therein, the first lug fastening aperture being arranged transverse to the second lug fastening aperture, and wherein the terminal mount includes at least one terminal receiving station sized to fit and retain the at least one terminal such that each terminal can be electrically connected to a printed circuit board and such that movement of each terminal is prevented during the fastening of terminal lugs to either of the first and second apertures.

IPC Classes  ?

  • H01R 12/51 - Fixed connections for rigid printed circuits or like structures
  • H01R 13/424 - Securing in a demountable manner in base or case composed of a plurality of insulating parts having at least one resilient insulating part
  • H01R 13/58 - Means for relieving strain on wire connection, e.g. cord grip
  • H04Q 1/14 - Distribution frames

14.

Brake controller mounted to a towing vehicle

      
Application Number 17489379
Grant Number 12054134
Status In Force
Filing Date 2021-09-29
First Publication Date 2022-04-07
Grant Date 2024-08-06
Owner Redarc Technologies Pty Ltd. (Australia)
Inventor
  • Fosdike, Timothy
  • Kuchel, Nathan
  • Wang, Jerry

Abstract

The present invention relates to a brake controller for a towed vehicle braking system, including a housing or a loom, including an input connector for electrical connection to a towing vehicle and an output connector for electrical connection to a towed vehicle.

IPC Classes  ?

  • B60T 8/58 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration responsive to speed and another condition or to plural speed conditions
  • B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
  • B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
  • B60T 7/20 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger specially adapted for trailers, e.g. in case of uncoupling of trailer
  • B60T 8/88 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
  • B60T 8/92 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means automatically taking corrective action
  • H01R 31/06 - Intermediate parts for linking two coupling parts, e.g. adapter
  • B60Q 1/34 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
  • B60Q 1/44 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action

15.

Brake controller for a towed vehicle with combined brake and turn lights

      
Application Number 17489420
Grant Number 11872974
Status In Force
Filing Date 2021-09-29
First Publication Date 2022-04-07
Grant Date 2024-01-16
Owner Redarc Technologies Pty Ltd. (Australia)
Inventor
  • Fosdike, Timothy
  • Kuchel, Nathan

Abstract

The present invention relates to a brake controller for a towed vehicle braking system and a method of operating a brake controller, wherein the towed vehicle has combined brake and turn lights activated by combined light signals from a towing vehicle.

IPC Classes  ?

  • G05D 1/00 - Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
  • B60T 8/58 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration responsive to speed and another condition or to plural speed conditions
  • B60T 8/17 - Using electrical or electronic regulation means to control braking
  • B60T 7/20 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger specially adapted for trailers, e.g. in case of uncoupling of trailer
  • B60T 8/172 - Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
  • B60T 8/171 - Detecting parameters used in the regulationMeasuring values used in the regulation
  • B60T 8/174 - Using electrical or electronic regulation means to control braking characterised by using special control logic, e.g. fuzzy logic
  • B60Q 1/34 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
  • B60Q 1/44 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action

16.

BRAKE CONTROLLER WITH PITCH/ROLL COMPENSATION

      
Application Number AU2021050942
Publication Number 2022/067373
Status In Force
Filing Date 2021-08-24
Publication Date 2022-04-07
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor Fosdike, Timothy

Abstract

The present invention relates to a brake controller for an accelerometer based towed vehicle braking system and a method of operating the brake controller.

IPC Classes  ?

  • B60T 7/20 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger specially adapted for trailers, e.g. in case of uncoupling of trailer
  • B60T 8/32 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration

17.

BRAKE CONTROLLER MOUNTED TO A TOWING VEHICLE

      
Document Number 03164020
Status Pending
Filing Date 2021-09-24
Open to Public Date 2022-04-01
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Fosdike, Timothy
  • Kuchel, Nathan
  • Wang, Jerry

Abstract

AbstractThe present invention relates to a brake controller for a towed vehicle braking system, including a housing or a loom, including an input connector for electrical connection to a towing vehicle and an output connector for electrical connection to a towed vehicle.Date Recue/Date Received 2021-09-24

IPC Classes  ?

  • B60T 7/20 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger specially adapted for trailers, e.g. in case of uncoupling of trailer
  • B60T 8/17 - Using electrical or electronic regulation means to control braking

18.

BRAKE CONTROLLER FOR A TOWED VEHICLE WITH COMBINED BRAKE AND TURN LIGHTS

      
Document Number 03199555
Status Pending
Filing Date 2021-09-24
Open to Public Date 2022-04-01
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Fosdike, Timothy
  • Kuchel, Nathan

Abstract

The present invention relates to a brake controller for a towed vehicle braking system and a method of operating a brake controller, wherein the towed vehicle has combined brake and turn lights activated by combined light signals from a towing vehicle.

IPC Classes  ?

  • B60T 7/20 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger specially adapted for trailers, e.g. in case of uncoupling of trailer
  • B60T 8/171 - Detecting parameters used in the regulationMeasuring values used in the regulation
  • B60T 8/32 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
  • B60T 17/18 - Safety devicesMonitoring

19.

A SYNCHRONOUS DC-DC POWER CONVERTER WITH A SINGLE POWER STORAGE ELEMENT

      
Application Number AU2021050954
Publication Number 2022/056576
Status In Force
Filing Date 2021-08-24
Publication Date 2022-03-24
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Terrace, Donald, Murray
  • Kilmartin, Jordan, Michael, Hao-Jin
  • Abramov, Igor
  • Woolcock, Luke

Abstract

The present invention relates to a synchronous DC-DC power converter which may include a conversion cell including a number of switches and a single inductor, and a controller. The controller is configured to control a cycle of conversion of the conversion cell of the converter with multiple phases by controlling each of the switches.

IPC Classes  ?

  • H02M 3/155 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
  • H02M 3/157 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators with digital control
  • H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
  • H02M 1/38 - Means for preventing simultaneous conduction of switches

20.

Dual battery system

      
Application Number 17427968
Grant Number 11855479
Status In Force
Filing Date 2020-02-03
First Publication Date 2022-01-27
Grant Date 2023-12-26
Owner Redarc Technologies Pty Ltd. (USA)
Inventor Abramov, Igor

Abstract

A dual battery system, including: a primary battery which drives a starter motor; an auxiliary battery which drives one or more auxiliary loads; an alternator which supplies current to recharge the primary battery; and a power supply circuit which supplies current from the alternator to recharge the auxiliary battery when a surplus condition is detected, the surplus condition indicating that the alternator is generating more electrical power than is required for recharging the primary battery, wherein the power supply circuit ceases to supply current to recharge the auxiliary battery when absence of the surplus condition is detected so that the primary and auxiliary batteries become electrically isolated, thereby ensuring that recharging of the auxiliary battery does not have an adverse effect on the level of charge of the primary battery.

IPC Classes  ?

  • H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
  • H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 10/44 - Methods for charging or discharging
  • H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
  • B60L 53/00 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles
  • B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
  • B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
  • B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries

21.

PORTABLE POWER SYSTEM DOCKING ASSEMBLY

      
Document Number 03182039
Status Pending
Filing Date 2021-06-25
Open to Public Date 2021-12-30
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Pinkard, Dylan Llewellyn
  • Albrechtsen, James

Abstract

A portable power system assembly that includes a portable power system (PPS) and a dock. The dock is mountable to a vehicle and includes a PPS holding tray and an actuator arm, with the actuator arm capable of being pivoted from a first position to a second position, the holding tray including a PPS receiving station and a PPS securing station, and the securing station including electrical supply terminals. The PPS includes a housing with opposing ends, there being mating electrical terminals at one end and at least one abutment region at the other end for engagement with the actuator arm. The actuator arm engages with the abutment region of a PPS in the receiving station to move, during pivoting of the actuator arm from its first position to its second position, the PPS from the receiving station to the securing station for mating electrical engagement of the PPS and dock electrical terminals, and, in its second position, the actuator arm engages with the PPS in the securing station to releasably lock the PPS in the securing station.

IPC Classes  ?

  • B60P 7/15 - Securing or supporting by load bracing means the load bracing means comprising a movable bar
  • B60R 11/00 - Arrangements for holding or mounting articles, not otherwise provided for
  • H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
  • H05K 5/02 - Casings, cabinets or drawers for electric apparatus Details
  • H05K 5/06 - Hermetically-sealed casings

22.

PORTABLE POWER SYSTEM DOCKING ASSEMBLY

      
Application Number AU2021050666
Publication Number 2021/258153
Status In Force
Filing Date 2021-06-25
Publication Date 2021-12-30
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Pinkard, Dylan, Llewellyn
  • Albrechtsen, James

Abstract

A portable power system assembly that includes a portable power system (PPS) and a dock. The dock is mountable to a vehicle and includes a PPS holding tray and an actuator arm, with the actuator arm capable of being pivoted from a first position to a second position, the holding tray including a PPS receiving station and a PPS securing station, and the securing station including electrical supply terminals. The PPS includes a housing with opposing ends, there being mating electrical terminals at one end and at least one abutment region at the other end for engagement with the actuator arm. The actuator arm engages with the abutment region of a PPS in the receiving station to move, during pivoting of the actuator arm from its first position to its second position, the PPS from the receiving station to the securing station for mating electrical engagement of the PPS and dock electrical terminals, and, in its second position, the actuator arm engages with the PPS in the securing station to releasably lock the PPS in the securing station.

IPC Classes  ?

  • B60R 11/00 - Arrangements for holding or mounting articles, not otherwise provided for
  • B60P 7/15 - Securing or supporting by load bracing means the load bracing means comprising a movable bar
  • H05K 5/02 - Casings, cabinets or drawers for electric apparatus Details
  • H05K 5/06 - Hermetically-sealed casings
  • H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle

23.

A METHOD OF ESTIMATING BLOOD PRESSURE OF A SUBJECT

      
Document Number 03179314
Status Pending
Filing Date 2021-06-09
Open to Public Date 2021-12-16
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Sekhar, Sitansu
  • Wallace, Angus

Abstract

The present invention relates to a method and system for estimating blood pressure of a subject. In particular, but not exclusively, the method involves receiving a photoplethysmogram (PPG) signal from a light-based Pulse-Plethysmography sensor applied to the skin of a subject and reconstructing a pulse blood pressure waveform between systolic and diastolic blood pressure of the subject. Additionally, but not exclusively, the method involves processing the pulse blood pressure waveform and reconstructing an absolute blood pressure waveform of the subject.

IPC Classes  ?

  • A61B 5/021 - Measuring pressure in heart or blood vessels

24.

A METHOD OF ESTIMATING BLOOD PRESSURE OF A SUBJECT

      
Application Number AU2021050581
Publication Number 2021/248188
Status In Force
Filing Date 2021-06-09
Publication Date 2021-12-16
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Sekhar, Sitansu
  • Wallace, Angus

Abstract

The present invention relates to a method and system for estimating blood pressure of a subject. In particular, but not exclusively, the method involves receiving a photoplethysmogram (PPG) signal from a light-based Pulse-Plethysmography sensor applied to the skin of a subject and reconstructing a pulse blood pressure waveform between systolic and diastolic blood pressure of the subject. Additionally, but not exclusively, the method involves processing the pulse blood pressure waveform and reconstructing an absolute blood pressure waveform of the subject.

IPC Classes  ?

  • A61B 5/021 - Measuring pressure in heart or blood vessels

25.

BATTERY CHARGING METHOD AND CONTROLLER

      
Application Number AU2021050391
Publication Number 2021/217211
Status In Force
Filing Date 2021-04-30
Publication Date 2021-11-04
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Abramov, Igor
  • Fosdike, Timothy

Abstract

A method for charging a battery comprising the steps of: receiving at a processor a target rate of charging for the battery; delivering charge to the battery from a power supply unit; and repeating until a terminal charging condition is reached: i.) receiving at the processor a measure of battery voltage during charging; ii.) monitoring, by the processor, a rate of change of battery voltage during charging; and iii.) responsive to the monitored rate of change of battery voltage exceeding the target rate of charging, the processor controlling the power supply to reduce the charge delivered to the battery.

IPC Classes  ?

  • H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

26.

DUAL BATTERY SYSTEM

      
Application Number AU2020050071
Publication Number 2020/160597
Status In Force
Filing Date 2020-02-03
Publication Date 2020-08-13
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor Abramov, Igor

Abstract

A dual battery system, including: a primary battery which drives a starter motor; an auxiliary battery which drives one or more auxiliary loads; an alternator which supplies current to recharge the primary battery; and a power supply circuit which supplies current from the alternator to recharge the auxiliary battery when a surplus condition is detected, the surplus condition indicating that the alternator is generating more electrical power than is required for recharging the primary battery, wherein the power supply circuit ceases to supply current to recharge the auxiliary battery when absence of the surplus condition is detected so that the primary and auxiliary batteries become electrically isolated, thereby ensuring that recharging of the auxiliary battery does not have an adverse effect on the level of charge of the primary battery.

IPC Classes  ?

  • H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
  • H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
  • B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems

27.

DUAL BATTERY SYSTEM

      
Document Number 03128246
Status In Force
Filing Date 2020-02-03
Open to Public Date 2020-08-13
Grant Date 2025-04-01
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor Abramov, Igor

Abstract

A dual battery system, including: a primary battery which drives a starter motor; an auxiliary battery which drives one or more auxiliary loads; an alternator which supplies current to recharge the primary battery; and a power supply circuit which supplies current from the alternator to recharge the auxiliary battery when a surplus condition is detected, the surplus condition indicating that the alternator is generating more electrical power than is required for recharging the primary battery, wherein the power supply circuit ceases to supply current to recharge the auxiliary battery when absence of the surplus condition is detected so that the primary and auxiliary batteries become electrically isolated, thereby ensuring that recharging of the auxiliary battery does not have an adverse effect on the level of charge of the primary battery.

IPC Classes  ?

  • B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
  • H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
  • H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle

28.

A POWER DISTRIBUTION SYSTEM AND METHOD

      
Application Number AU2019050027
Publication Number 2019/140483
Status In Force
Filing Date 2019-01-16
Publication Date 2019-07-25
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Bates, Timothy
  • Smith, Clinton
  • Prinsloo, Zacharias, Johannes

Abstract

The present invention relates to a power distribution system for and a method of controlling operation of loads of a vehicle or a towed vehicle, including configuring a controller, adapted to be mounted in a towed vehicle and adapted to be configured to control operation of loads in the towed vehicle, to output state commands to the loads to control the loads.

IPC Classes  ?

  • B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
  • B60L 1/00 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles
  • B60Q 9/00 - Arrangement or adaptation of signal devices not provided for in one of main groups
  • B60Q 3/00 - Arrangement of lighting devices for vehicle interiorsLighting devices specially adapted for vehicle interiors
  • B60P 3/36 - Auxiliary arrangementsArrangements of living accommodationVehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles Details

29.

A POWER DISTRIBUTION SYSTEM AND METHOD

      
Document Number 03087724
Status In Force
Filing Date 2019-01-16
Open to Public Date 2019-07-25
Grant Date 2024-06-11
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Bates, Timothy
  • Smith, Clinton
  • Prinsloo, Zacharias Johannes

Abstract

The present invention relates to a power distribution system for and a method of controlling operation of loads of a vehicle or a towed vehicle, including configuring a controller, adapted to be mounted in a towed vehicle and adapted to be configured to control operation of loads in the towed vehicle, to output state commands to the loads to control the loads.

IPC Classes  ?

  • B60L 1/00 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles
  • B60P 3/36 - Auxiliary arrangementsArrangements of living accommodationVehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles Details
  • B60Q 3/00 - Arrangement of lighting devices for vehicle interiorsLighting devices specially adapted for vehicle interiors
  • B60Q 9/00 - Arrangement or adaptation of signal devices not provided for in one of main groups
  • B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems

30.

Rotary switch

      
Application Number 14974185
Grant Number 09805885
Status In Force
Filing Date 2015-12-18
First Publication Date 2016-06-23
Grant Date 2017-10-31
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor
  • Francis, Roderick M.
  • Thompson, Jon R.

Abstract

The present invention relates to a rotary switch. In particular, the rotary switch includes a main contactor having a main contact carrier and a main cam, a shaft rotatably journaled in the main contactor and extending axially through the main contactor, and an auxiliary contactor. When the switch is rotated from the ON position to the OFF position, the shaft rotates to break open auxiliary contacts before main contacts break open upon further rotation of the shaft.

IPC Classes  ?

  • H01H 9/38 - Auxiliary contacts on to which the arc is transferred from the main contacts
  • H01H 19/10 - Movable partsContacts mounted thereon
  • H01H 33/12 - Auxiliary contacts on to which the arc is transferred from the main contacts
  • H01H 19/06 - Dustproof, splashproof, drip-proof, waterproof, or flameproof casings

31.

Brake controller for towed vehicle braking system and method

      
Application Number 14535688
Grant Number 09446747
Status In Force
Filing Date 2014-11-07
First Publication Date 2015-08-20
Grant Date 2016-09-20
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor Fosdike, Timothy

Abstract

A brake controller is disclosed for a towed vehicle braking system. The controller is adapted to be mounted in a towing or a towed vehicle having a longitudinal axis for generating a braking control signal to the towed vehicle braking system. The controller comprises an inertial sensor including plural sensor axes adapted to be mounted in an undefined orientation relative to the longitudinal axis for generating sensor data associated with each sensor axis. The controller also comprises a memory device for storing the sensor data associated with each sensor axis and a processor for processing the sensor data with the braking control signal to evaluate orientation of the inertial sensor relative to the longitudinal axis. In particular the brake controller is adapted to control activation of the towed vehicle braking system in a manner that is relatively insensitive to acceleration of the vehicle in a lateral direction and to orientation of the inertial sensor without prescribing a mounting orientation of the brake controller relative to the towing or towed vehicle. A method of operating a brake controller for a towed vehicle braking system is also disclosed.

IPC Classes  ?

  • G06F 7/70 - Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radixComputing devices using combinations of denominational and non-denominational quantity representations using stochastic pulse trains, i.e. randomly occurring pulses the average pulse rates of which represent numbers
  • B60T 8/17 - Using electrical or electronic regulation means to control braking
  • B60T 8/171 - Detecting parameters used in the regulationMeasuring values used in the regulation

32.

BRAKE CONTROLLER FOR TOWED VEHICLE BRAKING SYSTEM AND METHOD

      
Document Number 02869486
Status In Force
Filing Date 2014-10-31
Open to Public Date 2015-08-17
Grant Date 2020-03-10
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor Fosdike, Timothy

Abstract

A brake controller is disclosed for a towed vehicle braking system. The controller is adapted to be mounted in a towing or a towed vehicle having a longitudinal axis for generating a braking control signal to the towed vehicle braking system. The controller comprises an inertial sensor including plural sensor axes adapted to be mounted in an undefined orientation relative to the longitudinal axis for generating sensor data associated with each sensor axis. The controller also comprises a memory device for storing the sensor data associated with each sensor axis and a processor for processing the sensor data with the braking control signal to evaluate orientation of the inertial sensor relative to the longitudinal axis. In particular the brake controller is adapted to control activation of the towed vehicle braking system in a manner that is relatively insensitive to acceleration of the vehicle in a lateral direction and to orientation of the inertial sensor without prescribing a mounting orientation of the brake controller relative to the towing or towed vehicle. A method of operating a brake controller for a towed vehicle braking system is also disclosed.

IPC Classes  ?

  • B60T 7/20 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger specially adapted for trailers, e.g. in case of uncoupling of trailer
  • B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or driveBrake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive

33.

Synchronous DC-DC converters, and systems and methods of controlling same

      
Application Number 14000794
Grant Number 09531273
Status In Force
Filing Date 2012-02-21
First Publication Date 2014-02-13
Grant Date 2016-12-27
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor Abramov, Igor

Abstract

q2) depending on the determined operative mode.

IPC Classes  ?

  • G05F 1/00 - Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
  • G05F 1/565 - Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
  • H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load

34.

SYNCHRONOUS DC-DC CONVERSION

      
Document Number 02827982
Status In Force
Filing Date 2012-02-21
Open to Public Date 2012-08-30
Grant Date 2019-12-03
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor Abramov, Igor

Abstract

A synchronous DC-DC converter (300) for converting an input voltage (Vin) into an output voltage (Vout), the converter having a continuous current operative mode (CCM) and a discontinuous current operative mode (DCM), the converter including: an active switch (302) receiving a first gate signal for turning on the active switch for a first time interval (Tq1), the first gate signal having a period (Tprd); a synchronous rectifier (304) receiving a second gate signal for turning on the synchronous rectifier for a second time interval (Tq2); and a controller (306) for determining an estimation (Tq1est) for the first time interval, and thereafter comparing the estimation (Tq1est) with the value of the first time interval (Tq1); wherein responsive to the comparison the controller (306) determines an operative mode of the converter (300) and controls the second time interval (Tq2) depending on the determined operative mode.

IPC Classes  ?

  • H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load

35.

SYNCHRONOUS DC-DC CONVERSION

      
Application Number AU2012000156
Publication Number 2012/113015
Status In Force
Filing Date 2012-02-21
Publication Date 2012-08-30
Owner REDARC TECHNOLOGIES PTY LTD (Australia)
Inventor Abramov, Igor

Abstract

A synchronous DC-DC converter (300) for converting an input voltage (Vin) into an output voltage (Vout), the converter having a continuous current operative mode (CCM) and a discontinuous current operative mode (DCM), the converter including: an active switch (302) receiving a first gate signal for turning on the active switch for a first time interval (Tq1), the first gate signal having a period (Tprd); a synchronous rectifier (304) receiving a second gate signal for turning on the synchronous rectifier for a second time interval (Tq2); and a controller (306) for determining an estimation (Tq1est) for the first time interval, and thereafter comparing the estimation (Tq1est) with the value of the first time interval (Tq1); wherein responsive to the comparison the controller (306) determines an operative mode of the converter (300) and controls the second time interval (Tq2) depending on the determined operative mode.

IPC Classes  ?

  • H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load

36.

Battery isolator unit

      
Application Number 12628277
Grant Number 08390145
Status In Force
Filing Date 2009-12-01
First Publication Date 2011-06-02
Grant Date 2013-03-05
Owner Redarc Technologies Pty Ltd (Australia)
Inventor Harding, John Wayne

Abstract

A battery isolator unit is disclosed for controlling a switching means having a first contact for connection to a terminal of a first battery, a second contact for connection to a corresponding terminal of a second battery, and an actuating input for biasing a switch element of the switching means switch in a closed position. The battery isolator unit includes a sensing circuit and a switch controller. The sensing circuit periodically determines a first and second value attributable to terminal voltage values of the first battery and the second battery respectively. The switch controller is responsive to detecting a predetermined condition of the first battery and/or the second battery to provide to the actuating input a control signal having a characteristic for biasing the switch element to the closed position. The switch controller periodically determines a difference between the first and second values when the switch element is in the closed position to obtain a obtain a sequence of difference values, and controls the characteristic of the control signal according to a comparison of a present difference value with a previous difference value to modify the bias of the switch element.

IPC Classes  ?

  • B60L 1/00 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles